September weather in Kenai, AK
The average temperature in Kenai in September is 47.8°F (39.8°F–55.7°F). Average precipitation: 3.57 inches.
September is a fall month in Kenai, and is warmer than the annual average of 35.6°F. Daily temperatures swing about 15.9°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 12h 31m. For travel, September is a comfortable month to visit.
Avg High
55.7°F
Avg Low
39.8°F
Precipitation
3.57 in
Daylight
12h 31m
September records in Kenai
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 69.1°F (1904) | 30.0°F (1903) | 0.73 in (1960) |
| September 2 | 75.0°F (1904) | 24.3°F (2015) | 0.72 in (1999) |
| September 3 | 69.1°F (1904) | 28.0°F (1905) | 0.87 in (1951) |
| September 4 | 70.0°F (1906) | 26.1°F (1907) | 0.96 in (1944) |
| September 5 | 72.0°F (1905) | 25.0°F (1976) | 1.26 in (1975) |
| September 6 | 70.0°F (1963) | 25.0°F (1976) | 0.81 in (1961) |
| September 7 | 66.9°F (1905) | 24.1°F (1904) | 1.20 in (1907) |
| September 8 | 70.0°F (2018) | 25.0°F (1952) | 1.68 in (1951) |
| September 9 | 66.9°F (1965) | 23.0°F (1970) | 1.27 in (2005) |
| September 10 | 68.0°F (2010) | 21.0°F (1970) | 1.57 in (1975) |
| September 11 | 70.0°F (2018) | 24.1°F (1992) | 0.86 in (1970) |
| September 12 | 72.0°F (2010) | 28.2°F (2020) | 1.16 in (1974) |
| September 13 | 72.0°F (2018) | 23.0°F (1905) | 0.92 in (1956) |
| September 14 | 69.1°F (2018) | 21.0°F (1987) | 1.05 in (1990) |
| September 15 | 66.9°F (1969) | 23.0°F (1987) | 1.10 in (2012) |
| September 16 | 73.9°F (1907) | 19.9°F (2003) | 1.01 in (2012) |
| September 17 | 70.0°F (1906) | 21.0°F (1904) | 1.20 in (1907) |
| September 18 | 66.0°F (1969) | 19.9°F (1907) | 0.99 in (2012) |
| September 19 | 62.1°F (2009) | 19.9°F (2000) | 2.23 in (2012) |
| September 20 | 64.0°F (1906) | 10.9°F (1904) | 1.90 in (1907) |
| September 21 | 64.0°F (1969) | 12.9°F (1904) | 1.20 in (1907) |
| September 22 | 62.1°F (1965) | 19.0°F (1992) | 1.01 in (1958) |
| September 23 | 64.0°F (1951) | 16.0°F (1992) | 0.79 in (1965) |
| September 24 | 63.0°F (1945) | 17.1°F (1992) | 1.71 in (2002) |
| September 25 | 62.1°F (1944) | 15.1°F (1905) | 1.15 in (1904) |
| September 26 | 60.1°F (1952) | 16.0°F (1902) | 1.16 in (1965) |
| September 27 | 59.0°F (2003) | 17.1°F (1956) | 1.36 in (1963) |
| September 28 | 63.0°F (1907) | -2.9°F (1971) | 1.19 in (1960) |
| September 29 | 64.0°F (2018) | 12.9°F (1905) | 1.08 in (2015) |
| September 30 | 61.0°F (2018) | 17.1°F (1904) | 0.93 in (1999) |